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<div id="overview"><a href="../../../../../../api/org/jboss/netty/example/securechat/SecureChatServerHandler.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.example.securechat;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelEvent;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFuture;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFutureListener;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelStateEvent;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ExceptionEvent;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.SimpleChannelUpstreamHandler;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.group.ChannelGroup;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.group.DefaultChannelGroup;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.ssl.SslHandler;
<a class="jxr_linenumber" name="30" href="#30">30</a>  
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.net.InetAddress;
<a class="jxr_linenumber" name="32" href="#32">32</a>  
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * Handles a server-side channel.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/example/securechat/SecureChatServerHandler.html">SecureChatServerHandler</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/jboss/netty/channel/SimpleChannelUpstreamHandler.html">SimpleChannelUpstreamHandler</a> {
<a class="jxr_linenumber" name="37" href="#37">37</a>  
<a class="jxr_linenumber" name="38" href="#38">38</a>      <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/group/ChannelGroup.html">ChannelGroup</a> channels = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/channel/group/DefaultChannelGroup.html">DefaultChannelGroup</a>();
<a class="jxr_linenumber" name="39" href="#39">39</a>  
<a class="jxr_linenumber" name="40" href="#40">40</a>      @Override
<a class="jxr_linenumber" name="41" href="#41">41</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleUpstream(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="42" href="#42">42</a>          <strong class="jxr_keyword">if</strong> (e instanceof ChannelStateEvent) {
<a class="jxr_linenumber" name="43" href="#43">43</a>              System.err.println(e);
<a class="jxr_linenumber" name="44" href="#44">44</a>          }
<a class="jxr_linenumber" name="45" href="#45">45</a>          <strong class="jxr_keyword">super</strong>.handleUpstream(ctx, e);
<a class="jxr_linenumber" name="46" href="#46">46</a>      }
<a class="jxr_linenumber" name="47" href="#47">47</a>  
<a class="jxr_linenumber" name="48" href="#48">48</a>      @Override
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelConnected(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) {
<a class="jxr_linenumber" name="50" href="#50">50</a>          <em class="jxr_comment">// Get the SslHandler in the current pipeline.</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>          <em class="jxr_comment">// We added it in SecureChatPipelineFactory.</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>          <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a> sslHandler = ctx.getPipeline().get(SslHandler.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="53" href="#53">53</a>  
<a class="jxr_linenumber" name="54" href="#54">54</a>          <em class="jxr_comment">// Get notified when SSL handshake is done.</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>          <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> handshakeFuture = sslHandler.handshake();
<a class="jxr_linenumber" name="56" href="#56">56</a>          handshakeFuture.addListener(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/example/securechat/SecureChatServerHandler.html">Greeter</a>(sslHandler));
<a class="jxr_linenumber" name="57" href="#57">57</a>      }
<a class="jxr_linenumber" name="58" href="#58">58</a>  
<a class="jxr_linenumber" name="59" href="#59">59</a>      @Override
<a class="jxr_linenumber" name="60" href="#60">60</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelDisconnected(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) {
<a class="jxr_linenumber" name="61" href="#61">61</a>          <em class="jxr_comment">// Unregister the channel from the global channel list</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>          <em class="jxr_comment">// so the channel does not receive messages anymore.</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>          channels.remove(e.getChannel());
<a class="jxr_linenumber" name="64" href="#64">64</a>      }
<a class="jxr_linenumber" name="65" href="#65">65</a>  
<a class="jxr_linenumber" name="66" href="#66">66</a>      @Override
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> e) {
<a class="jxr_linenumber" name="68" href="#68">68</a>  
<a class="jxr_linenumber" name="69" href="#69">69</a>          <em class="jxr_comment">// Convert to a String first.</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>          String request = (String) e.getMessage();
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>          <em class="jxr_comment">// Send the received message to all channels but the current one.</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>          <strong class="jxr_keyword">for</strong> (Channel c: channels) {
<a class="jxr_linenumber" name="74" href="#74">74</a>              <strong class="jxr_keyword">if</strong> (c != e.getChannel()) {
<a class="jxr_linenumber" name="75" href="#75">75</a>                  c.write(<span class="jxr_string">"["</span> + e.getChannel().getRemoteAddress() + <span class="jxr_string">"] "</span> +
<a class="jxr_linenumber" name="76" href="#76">76</a>                          request + '\n');
<a class="jxr_linenumber" name="77" href="#77">77</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="78" href="#78">78</a>                  c.write(<span class="jxr_string">"[you] "</span> + request + '\n');
<a class="jxr_linenumber" name="79" href="#79">79</a>              }
<a class="jxr_linenumber" name="80" href="#80">80</a>          }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>          <em class="jxr_comment">// Close the connection if the client has sent 'bye'.</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>          <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"bye"</span>.equals(request.toLowerCase())) {
<a class="jxr_linenumber" name="84" href="#84">84</a>              e.getChannel().close();
<a class="jxr_linenumber" name="85" href="#85">85</a>          }
<a class="jxr_linenumber" name="86" href="#86">86</a>      }
<a class="jxr_linenumber" name="87" href="#87">87</a>  
<a class="jxr_linenumber" name="88" href="#88">88</a>      @Override
<a class="jxr_linenumber" name="89" href="#89">89</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ExceptionEvent.html">ExceptionEvent</a> e) {
<a class="jxr_linenumber" name="90" href="#90">90</a>          e.getCause().printStackTrace();
<a class="jxr_linenumber" name="91" href="#91">91</a>          e.getChannel().close();
<a class="jxr_linenumber" name="92" href="#92">92</a>      }
<a class="jxr_linenumber" name="93" href="#93">93</a>  
<a class="jxr_linenumber" name="94" href="#94">94</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/example/securechat/SecureChatServerHandler.html">Greeter</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFutureListener.html">ChannelFutureListener</a> {
<a class="jxr_linenumber" name="95" href="#95">95</a>  
<a class="jxr_linenumber" name="96" href="#96">96</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a> sslHandler;
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>          <a href="../../../../../org/jboss/netty/example/securechat/SecureChatServerHandler.html">Greeter</a>(<a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a> sslHandler) {
<a class="jxr_linenumber" name="99" href="#99">99</a>              <strong class="jxr_keyword">this</strong>.sslHandler = sslHandler;
<a class="jxr_linenumber" name="100" href="#100">100</a>         }
<a class="jxr_linenumber" name="101" href="#101">101</a> 
<a class="jxr_linenumber" name="102" href="#102">102</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> operationComplete(<a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="103" href="#103">103</a>             <strong class="jxr_keyword">if</strong> (future.isSuccess()) {
<a class="jxr_linenumber" name="104" href="#104">104</a>                 <em class="jxr_comment">// Once session is secured, send a greeting.</em>
<a class="jxr_linenumber" name="105" href="#105">105</a>                 future.getChannel().write(
<a class="jxr_linenumber" name="106" href="#106">106</a>                         <span class="jxr_string">"Welcome to "</span> + InetAddress.getLocalHost().getHostName() + <span class="jxr_string">" secure chat service!\n"</span>);
<a class="jxr_linenumber" name="107" href="#107">107</a>                 future.getChannel().write(
<a class="jxr_linenumber" name="108" href="#108">108</a>                         <span class="jxr_string">"Your session is protected by "</span> + sslHandler.getEngine().getSession().getCipherSuite() +
<a class="jxr_linenumber" name="109" href="#109">109</a>                         <span class="jxr_string">" cipher suite.\n"</span>);
<a class="jxr_linenumber" name="110" href="#110">110</a> 
<a class="jxr_linenumber" name="111" href="#111">111</a>                 <em class="jxr_comment">// Register the channel to the global channel list</em>
<a class="jxr_linenumber" name="112" href="#112">112</a>                 <em class="jxr_comment">// so the channel received the messages from others.</em>
<a class="jxr_linenumber" name="113" href="#113">113</a>                 channels.add(future.getChannel());
<a class="jxr_linenumber" name="114" href="#114">114</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="115" href="#115">115</a>                 future.getChannel().close();
<a class="jxr_linenumber" name="116" href="#116">116</a>             }
<a class="jxr_linenumber" name="117" href="#117">117</a>         }
<a class="jxr_linenumber" name="118" href="#118">118</a>     }
<a class="jxr_linenumber" name="119" href="#119">119</a> }
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